- YASUNAGA SEIKOU CO LTD
- Address:510, Tanamachi, Mitsuhashi-machi,
- YAMASHIN SEIKYO CO., LTD.
- Address:793, Shiratori-cho, Higashi-ku
- TOKAI NETSUSHORI CO., LTD
- Address:769, Ebizuka
- SUZUKI SEIKYO CO., LTD.
- Address:763, Wagocho, Naka-ku
- IWATA SAW MFG CO LTD
- Address:1262 Toyohama-nakano,
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